This ought to be folded into the
'fix 31-bit s390 checkpoint/restart wrappers'
patch which I sent earlier today. Not a bug without it, just
not as nice.
Signed-off-by: Serge E. Hallyn <[email protected]>
---
arch/s390/kernel/checkpoint.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/arch/s390/kernel/checkpoint.c b/arch/s390/kernel/checkpoint.c
index 8ec12c6..60ba04d 100644
--- a/arch/s390/kernel/checkpoint.c
+++ b/arch/s390/kernel/checkpoint.c
@@ -148,7 +148,8 @@ int checkpoint_mm_context(struct ckpt_ctx *ctx, struct
mm_struct *mm)
int restore_thread(struct ckpt_ctx *ctx)
{
- if (test_tsk_thread_flag(current, TIF_31BIT)) {
+ /* a 31-bit task cannot call sys_restart right now */
+ if (test_thread_flag(TIF_31BIT)) {
ckpt_err(ctx, -EINVAL, "restart from 31-bit task\n");
return -EINVAL;
}
--
1.6.1
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